Harley-Davidson Dyna Convertible (FXDS-CON) (1998-2000), Dyna CVO Wide Glide (FXDWG2) (2001), Dyna CVO Wide Glide (FXDWG3) (2002), Dyna Fat Bob (FXDF) (2008-2017), Dyna Low Rider (FXDL) (1998-2005), Dyna Low Rider (FXDL) (2008-2


RadiusX is a high performance centrifugal auto clutch combining our TorqDrive and EXP technologies. TorqDrive provides more clutch disks in less space, allowing for maximum performance within your bike’s existing clutch footprint. You retain full control of shifting and use of your clutch lever with no compromise in power delivery.



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